1# sys_uio_h.m4 serial 1 2dnl Copyright (C) 2011-2014 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_HEADER_SYS_UIO], 8[ 9 AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) 10 dnl <sys/uio.h> is always overridden, because of GNULIB_POSIXCHECK. 11 gl_CHECK_NEXT_HEADERS([sys/uio.h]) 12 if test $ac_cv_header_sys_uio_h = yes; then 13 HAVE_SYS_UIO_H=1 14 else 15 HAVE_SYS_UIO_H=0 16 fi 17 AC_SUBST([HAVE_SYS_UIO_H]) 18]) 19 20AC_DEFUN([gl_SYS_UIO_MODULE_INDICATOR], 21[ 22 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 23 AC_REQUIRE([gl_SYS_UIO_H_DEFAULTS]) 24 gl_MODULE_INDICATOR_SET_VARIABLE([$1]) 25 dnl Define it also as a C macro, for the benefit of the unit tests. 26 gl_MODULE_INDICATOR_FOR_TESTS([$1]) 27]) 28 29AC_DEFUN([gl_SYS_UIO_H_DEFAULTS], 30[ 31]) 32